RE the contretemps between gnu and Jack:
A. it is often difficult to know if one one is jesting or serious. I tend to take the less serious approach.
B. I was shocked by a response to my recent email to a local friend "That sounds like a threat!...or am I being overly sensitive?" Whew! yes, she was and we quickly sorted it out. I was jesting.
C. We need to watch what we say, how we say it.
D. Maybe we need to give the benefit of the doubt? I tend to skip over what I do not understand of that ilk but I do not have the history.